Results 81 to 90 of about 16,972 (255)

Experimental Study on Basic Mechanical Properties of Steel Fiber-Reinforced Siliceous Wet Shotcrete

open access: yesAdvances in Materials Science and Engineering, 2018
In order to solve the problem of low strength and easy cracking of shotcrete in permanent support of tunnel single shell lining, the effects of steel fiber-reinforced siliceous on mechanical properties of wet shotcrete were investigated by the tests of ...
Xu Yan   +4 more
doaj   +1 more source

Greening method of shotcrete slope blended on landscape [PDF]

open access: yes, 2011
This study concerns the protection method and the natural maintenance of aging shotcrete. In Japan, in the high economic growth period in 1960’s, a great number of slopes were formed to construct many roads and most slope protection methods were to cover
Kinoshita Shunsuke   +7 more
core   +1 more source

The Sanford Underground Research Facility at Homestake

open access: yes, 2014
The former Homestake gold mine in Lead, South Dakota is being transformed into a dedicated laboratory to pursue underground research in rare-process physics, as well as offering research opportunities in other disciplines such as biology, geology and ...
Heise, J.
core   +2 more sources

Punching assessment of a slab bridge stock in Finland

open access: yesStructural Concrete, Volume 26, Issue 4, Page 5214-5232, August 2025.
Abstract Increased understanding of the punching phenomenon and increasing traffic loads have raised questions about the punching capacity of reinforced concrete slab bridges on columns. In this research, 116 slab bridges are analyzed with rough estimates of the punching loads using the maximum allowable vehicle loads in Finland and the punching ...
Juuso Auvinen, Anssi Laaksonen
wiley   +1 more source

Photogrammetric documentation in tunneling

open access: yesCivil Engineering Design, Volume 7, Issue 2, Page 85-92, June 2025.
Abstract Photogrammetric surveys for geological excavation documentation are standard practice in tunnel construction, benefiting from the sector's ongoing digitalization. However, the application of photogrammetry often remains confined to geological assessments. By creating comprehensive 3D models of excavated tunnels, it is also possible to evaluate
Andreas Zani   +2 more
wiley   +1 more source

A case study on the stability of a big underground powerhouse cavern cut by an interlayer shear zone in the China Baihetan hydropower plant

open access: yesDeep Underground Science and Engineering, Volume 4, Issue 2, Page 305-315, June 2025.
A 9‐year study on the deformation and stability problem of the large deep underground cavern in Baihetan power station was carried out. Abstract The big underground powerhouse cavern of the China Baihetan hydropower plant is 438 m long, 34 m wide, and 88.7 m high.
Lifang Zou   +5 more
wiley   +1 more source

Probabilistic Evaluation of the Sustainability of Maintenance Strategies for RC Structures Exposed to Chloride Ingress [PDF]

open access: yes, 2009
International audienceNowadays, multiple constraints imposed by economical, social and environmental considerations undergo maintenance planning optimization into a major challenge to designers, owners and users of infrastructure.
Bastidas-Arteaga, Emilio   +4 more
core   +3 more sources

Measurement of the gamma ray background in the Davis cavern at the Sanford Underground Research Facility [PDF]

open access: yes, 2020
Deep underground environments are ideal for low background searches due to the attenuation of cosmic rays by passage through the earth. However, they are affected by backgrounds from γ-rays emitted by 40K and the 238U and 232Th decay chains in the ...
Akerib, DS   +99 more
core   +2 more sources

Experimental behavior of mesh reinforced shotcrete and steel fiber reinforced shotcrete panels [PDF]

open access: yes, 1998
The existent experimental data reveal that the steel fiber reinforcement improves the energy absorption capacity, the fatigue and impact strength and the cracking behavior of the cement based materials.
Barros, Joaquim A. O.
core  

Ultrasonic sounding and monitoring of the excavation damaged zone in relation with drift support [PDF]

open access: yes, 2013
International audienceUnder high in situ stresses, the excavation of underground openings generally causes the creation of a disturbed (EdZ: Excavation disturbed Zone) and/or damaged (EDZ: Excavation Damaged Zone) zone, resulting from the initiation and ...
Balland, Cyrille   +2 more
core   +2 more sources

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